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Abstract #0545

Multi-frequency MREIT Demonstrated using Semipermeable Membrane Models

Munish Chauhan1, Andrew Xi2, Neeta Ashok Kumar1, Fanrui Fu1, and Rosalind J Sadleir1

1SBHSE, Arizona State University, Tempe, AZ, United States, 2ECEE, Arizona State University, Tempe, AZ, United States

Magnetic Resonance Electrical Impedance Tomography (MREIT) has been used to measure low frequency (ca. 10 Hz) electrical conductivity properties. Here, finite element simulations are used to show that it should be possible to measure electrical properties at frequencies in the range 10- ~5000 Hz using current waveform modulation. We also show imaging results that demonstrate differential signals can be measured in phantoms containing dialysis membranes with different thicknesses and permittivity characteristics.

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